Cross member plant support



FIG. 1 is an exemplary diagram of the use of one or more cross members;

FIG. 2 is a perspective view of the cross member showing the new design;

FIG. 3 is a top down plan view thereof;

FIG. 4 is a front elevation view thereof; and,

FIG. 5 is a back elevation view thereof.

The broken lines are included for showing environment and form no part of the claimed design. 

CLAIM The ornamental design for a plant support cross member, as shown and described. 